Commit 5ddb954b authored by Chris Wilson's avatar Chris Wilson Committed by Eric Anholt

drm/i915/edp: Flush the write before waiting for PLLs

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 913d8d11
...@@ -1665,6 +1665,7 @@ static void ironlake_enable_pll_edp (struct drm_crtc *crtc) ...@@ -1665,6 +1665,7 @@ static void ironlake_enable_pll_edp (struct drm_crtc *crtc)
dpa_ctl = I915_READ(DP_A); dpa_ctl = I915_READ(DP_A);
dpa_ctl |= DP_PLL_ENABLE; dpa_ctl |= DP_PLL_ENABLE;
I915_WRITE(DP_A, dpa_ctl); I915_WRITE(DP_A, dpa_ctl);
POSTING_READ(DP_A);
udelay(200); udelay(200);
} }
......
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